header,section,footer{
	width: 1240px;
	margin: 0 auto;
	color: white;
}
#zi,#tu{
	float: left;
	width: 240px;
}
header img{
	width: 1240px;
}
#tu{
	margin-left: 10px;
}
#clear{
	clear: both;
}
#zi,footer{
	background: #FFFFFF
	position: relative;
	
}
#zi{
	text-align: center;
	line-height: 276px;
	font-size: 40px;
}
#tu img{
	width: 240px;
}
